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Catastrophic overfitting is a phenomenon observed during Adversarial Training (AT) with the Fast Gradient Sign Method (FGSM) where the test robustness steeply declines over just one epoch in the training stage. Prior work has attributed…

Machine Learning · Computer Science 2021-11-23 Varun Sivashankar , Nikil Selvam

Recent studies demonstrate that Graph Neural Networks (GNNs) are vulnerable to slight but adversarially designed perturbations, known as adversarial examples. To address this issue, robust training methods against adversarial examples have…

Machine Learning · Computer Science 2022-11-22 Jintang Li , Jiaying Peng , Liang Chen , Zibin Zheng , Tingting Liang , Qing Ling

Single-step adversarial training (AT) has received wide attention as it proved to be both efficient and robust. However, a serious problem of catastrophic overfitting exists, i.e., the robust accuracy against projected gradient descent…

Machine Learning · Computer Science 2022-03-23 Tao Li , Yingwen Wu , Sizhe Chen , Kun Fang , Xiaolin Huang

Generative Adversarial Networks (GANs) are the most popular image generation models that have achieved remarkable progress on various computer vision tasks. However, training instability is still one of the open problems for all GAN-based…

Image and Video Processing · Electrical Eng. & Systems 2022-07-20 Ziqiang Li , Pengfei Xia , Rentuo Tao , Hongjing Niu , Bin Li

Self-ensemble adversarial training methods improve model robustness by ensembling models at different training epochs, such as model weight averaging (WA). However, previous research has shown that self-ensemble defense methods in…

Machine Learning · Computer Science 2024-06-21 Zhaozhe Hu , Jia-Li Yin , Bin Chen , Luojun Lin , Bo-Hao Chen , Ximeng Liu

Recently, Wong et al. showed that adversarial training with single-step FGSM leads to a characteristic failure mode named Catastrophic Overfitting (CO), in which a model becomes suddenly vulnerable to multi-step attacks. Experimentally they…

Machine Learning · Computer Science 2022-10-19 Pau de Jorge , Adel Bibi , Riccardo Volpi , Amartya Sanyal , Philip H. S. Torr , Grégory Rogez , Puneet K. Dokania

Neural retrieval models have acquired significant effectiveness gains over the last few years compared to term-based methods. Nevertheless, those models may be brittle when faced to typos, distribution shifts or vulnerable to malicious…

Information Retrieval · Computer Science 2023-01-26 Simon Lupart , Stéphane Clinchant

Adversarial Training (AT) has been demonstrated to improve the robustness of deep neural networks (DNNs) against adversarial attacks. AT is a min-max optimization procedure where in adversarial examples are generated to train a more robust…

Machine Learning · Computer Science 2024-12-31 Olukorede Fakorede , Modeste Atsague , Jin Tian

While leveraging additional training data is well established to improve adversarial robustness, it incurs the unavoidable cost of data collection and the heavy computation to train models. To mitigate the costs, we propose Guided…

Computer Vision and Pattern Recognition · Computer Science 2023-05-26 Salah Ghamizi , Jingfeng Zhang , Maxime Cordy , Mike Papadakis , Masashi Sugiyama , Yves Le Traon

Standard adversarial training approaches suffer from robust overfitting where the robust accuracy decreases when models are adversarially trained for too long. The origin of this problem is still unclear and conflicting explanations have…

Machine Learning · Computer Science 2022-11-28 Muhammad Zaid Hameed , Beat Buesser

The vulnerability of deep neural network models to adversarial example attacks is a practical challenge in many artificial intelligence applications. A recent line of work shows that the use of randomization in adversarial training is the…

Machine Learning · Computer Science 2023-06-30 Jiahao Xie , Chao Zhang , Weijie Liu , Wensong Bai , Hui Qian

Adversarial training (AT) has proven to be one of the most effective ways to defend Deep Neural Networks (DNNs) against adversarial attacks. However, the phenomenon of robust overfitting, i.e., the robustness will drop sharply at a certain…

Machine Learning · Computer Science 2022-05-25 Shudong Zhang , Haichang Gao , Tianwei Zhang , Yunyi Zhou , Zihui Wu

Adversarial training is so far the most effective strategy in defending against adversarial examples. However, it suffers from high computational costs due to the iterative adversarial attacks in each training step. Recent studies show that…

Machine Learning · Computer Science 2022-01-03 Jinghui Chen , Yu Cheng , Zhe Gan , Quanquan Gu , Jingjing Liu

Predicting the trajectories of surrounding objects is a critical task for self-driving vehicles and many other autonomous systems. Recent works demonstrate that adversarial attacks on trajectory prediction, where small crafted perturbations…

Machine Learning · Computer Science 2023-03-22 Ruochen Jiao , Xiangguo Liu , Takami Sato , Qi Alfred Chen , Qi Zhu

Adversarial training is a method for enhancing neural networks to improve the robustness against adversarial examples. Besides the security concerns of potential adversarial examples, adversarial training can also improve the generalization…

Machine Learning · Computer Science 2022-12-21 Zhiyuan Zhang , Wei Li , Ruihan Bao , Keiko Harimoto , Yunfang Wu , Xu Sun

Recently proposed adversarial training methods show the robustness to both adversarial and original examples and achieve state-of-the-art results in supervised and semi-supervised learning. All the existing adversarial training methods…

Machine Learning · Computer Science 2019-11-15 Shufei Zhang , Kaizhu Huang , Jianke Zhu , Yang Liu

Recently, FGSM adversarial training is found to be able to train a robust model which is comparable to the one trained by PGD but an order of magnitude faster. However, there is a failure mode called catastrophic overfitting (CO) that the…

Machine Learning · Computer Science 2021-05-10 Peilin Kang , Seyed-Mohsen Moosavi-Dezfooli

While multi-step adversarial training is widely popular as an effective defense method against strong adversarial attacks, its computational cost is notoriously expensive, compared to standard training. Several single-step adversarial…

Machine Learning · Computer Science 2021-11-30 Geon Yeong Park , Sang Wan Lee

Despite the remarkable success achieved by deep learning algorithms in various domains, such as computer vision, they remain vulnerable to adversarial perturbations. Adversarial Training (AT) stands out as one of the most effective…

Computer Vision and Pattern Recognition · Computer Science 2023-10-31 Mahdi Salmani , Alireza Dehghanpour Farashah , Mohammad Azizmalayeri , Mahdi Amiri , Navid Eslami , Mohammad Taghi Manzuri , Mohammad Hossein Rohban

Adversarial training is a popular method to robustify models against adversarial attacks. However, it exhibits much more severe overfitting than training on clean inputs. In this work, we investigate this phenomenon from the perspective of…

Machine Learning · Computer Science 2024-12-18 Chen Liu , Zhichao Huang , Mathieu Salzmann , Tong Zhang , Sabine Süsstrunk